13D Filings

Atara Biotherapeutics, Inc.

CIK

1604464

Latest Filing

Jan 14, 2026, 09:20 PM

13D Filings
Filer
Latest Filing
% Owned
Type
Filed

Panacea Innovation Limited

0001193125-26-013362

19.99%

-0.01%

Amendment

Jan 14, 2026, 09:20 PM

Redmile Group, LLC

0001104659-25-112574

9.90%

Amendment

Nov 14, 2025, 04:19 PM

Panacea Innovation Limited

0000950170-25-110311

20.00%

+0.01%

Amendment

Aug 19, 2025, 08:15 PM

Redmile Group, LLC

0001104659-25-052422

9.90%

NEW

May 23, 2025, 04:05 PM

Panacea Innovation Limited

0000950170-25-075903

19.99%

NEW

May 21, 2025, 06:00 PM

Adiumentum Capital Fund I LP

0001104659-25-050119

19.99%

Amendment

May 16, 2025, 06:28 PM

Rows:

16 of 6

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